// check if this file isn't alreay loaded (for templates < 2011)
if(typeof showMenu != 'function')
{
	var currentMenu;
	
	function showMenu(menu)
	{
		hideMenu();
		document.getElementById(menu).style.visibility = 'visible';
		document.getElementById(menu+"parent").style.zIndex = 9999;
		currentMenu = menu;
	}
	
	function hideMenu()
	{
		if(currentMenu != null)
		{
			document.getElementById(currentMenu).style.visibility = 'hidden';
			document.getElementById(currentMenu+"parent").style.zIndex = 3000;
			currentMenu = null;
		}
	}
	
	function changeMenu(menu)
	{
		if(currentMenu != menu)
		{
			showMenu(menu);
		}
		else
		{
			hideMenu();
		}
	}
}